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PATENTED MAY 24, 1904'. .B. J. HAUSFELD 65;. H. LUVNKBN.

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PATENTBD MAY 243904 B. :r. HAUS'FELD & E, H. LUNKEN.

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PATENTED MAY 24, 1904. B. J. HAUSFELD & 'B. H; LUNKEN.

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BERNARD J. HAUSFELD AND, EDMUND H. LUNKEN, or" CINCINNATI, oH Io, *AssIeNoRs, BYIMESNE ASSIGNMENTS, o's m LUNKEN.

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- SPECIFICATION forming part of Letters Patent no. 760,624,. dated. May 24, 1904.

" Application iiled September 14, 1903. Serial No. 173,118. No model) To all whom it cn0ern: I

- e it known that wQBERNARi) J. HAUsFELD and EDMUND H. LUNKEN, citizens of the United.

States, residing at Cineinnatiyin thecounty of Hamilton and Stateof Ohio, have invented certain new and useful Improvementsin Windows, of which the following is a-full, clear,

and exact description, reference'being had to the accompanying drawings, forming part. of this specification;

Our invention relates to windows forbuildlngs of that class whlch have a malnframe secured in the wall of the building and a second ary frame for the sliding glass-carrying sashes,

which secondary frame is hung on trunnions or is hinged atits middle so that it may swing horizontally entirely around to bring the exteriorof the glass upon the interior of the Window, where it may be readily cleansed- Our invention relates more particularly to the novelty of the hinge or trunnion employed; also, to the means for uniting the two sashes which carry the glass forunitary action so that the same will be always balanced and the operation of one will. cause the operation of the other in the opposite direction;

It relates also to thep'rovision of .meansfor carrying shutters and screens in the swinging frame and generally in the details'of construction. 1

It ,has for a further object the. provision of means for rendering the window air. and dust tight when closed.

The novelty of our invention will be hereinafter set forth, and specifically pointed out in the claims. In-the accompanying draw ngs, Figure 1,, Sheet 1, is an enlarged sectlonal detail in perspective of a part of the main frame and the swinging. frame at their hinging-point, parts being broken away and the pinion omitted. Fig. 2, Sheet 2, is a broken sectional side elevation of the window closed. Fig.3, Sheet 2, is a broken sectional plan view at one side of the window through the dotted linea a of Fig. 2.

Fig. 4, Sheet 2,is a sectional end elevation on the dotted line 6 6 of Fig. 3. Fig. 5, Sheet 2, is a sectional side elevation looking to the left on the dotted line 0 cof Fig. 2. .Fig. 6, Sheet 3, is ad e-.

tail side elevationlof the supporting-socket for the trunnion and the supporting-strips for the swinging frames. Fig. 7, Sheet 3, is a side elevation ofFig. 6 looking to the left.

Fig. 8,

Sheet 3, isan outside elevation of a portion of the swinging frame with the trunnion and sup- 3, is a detail elevation showingportions of the shutters, trunnion, swinging frame, and inter? 5 5 porting-strips carried thereby. Fig. 9, Sheet tive view of the entire window partly swung. on its trunnions and with the sashes drawn nearly to the middle. Fig. 12,v Sheet 6, is .a View corresponding to Fig. 2 with the rivets and screws omitted to show the relation of the parts more clearly. Fig. 13, Sheet 6, is a side elevation of the mainframe at its middle,

showing the swinging framein dotted lines" with the trunnion seated, in its socket and the frame partly'swung. Fig. 14, Sheet 6,is a corresponding view with the trunnion of" the swinging frame partly lifted outof; the socket,

the frame being also lifted, as would occur-in main frame or in replacing it. v

' removing theswingingframe bodily from the The same numerals of reference are used to indicate identical parts in all the figures.

'1 represents our permanent exterior frame, preferably builtof light structural irorfor' .80 steel with flanges 2 on itsouter' side sur rounding the frame. In fact, this framemay be swaged upof a single piece of metal with its meeting ends welded together.

Secured in a'nysuitable'manner to the inner vertical sidesbf theframe land on" each side thereof-are twoverticalstop-strips3 and strips are located --out; of vertical line with each oth,er,.,the upper strips 4 being set out a The lower little 1 ffv 'ifgpeithan l the strips 3.

stops 3p iect outward from the frame 1 (into the window-opening) farther than dothe upper s ep'sa, as best shown in Fig. 7, for

a purpose. hereinafter explained. At the vmeeting-point of the two sets of strips, which is at the-middleof the window-frame, there is ahoOk-shaped socket 5,-preferably. forming sockets 5 on the main frame, as seen in Figs.

1, 10, and 11. This frame 8 is preferably of light structural iron and has; secured to its inner vertical sides, by means of bolts or rivets 9, guiding-strips 10, Fig.10, at the outer edges of the frame 8 and a central parting-strip 11, which for-lightness is preferably of channel-iron, as seen'inFig. 10. In the guideways 16 between these strips the glass-carrying sashes 12 slide. These sashes, preferably of light structural iron, the glass .13 being fitted in grooves therein with interposed sheets of rubber to form a tight packing, have for their outer sides plates 15, with projections on their vertical sides entering the grooves 16, Figs. 3 and and 11, and said projections are provided with rack-teeth 17, Fig. 4, which engage with a pinion 18, free to revolve on a stud 19, which is a continuation of the trunnion on each side, which'projeets from the outer side of the swinging frame 8 (see Figs. 1, 3, 5, 13, and 14) and fits snugly in the sockets 5 of the main frame, as seen in Figs. 1 and 13-. The trunnions 20 and studs 19 are locked in any suitable manner to the swinging frame, in this instance by means of a stud or pin 21 passed through the center parting-strip 11 and through a stud projecting from the hub 19, upon which the pinion 18 rotates, Fig. 5. As seen in Fig. 10, that part of the center parting-strip 11 through which the hub 19 passes is cut out, as seen at 22, to afford free rotation to the pinion 18, as well as its engagement with the rack 17.

To render the window perfectly air and dust proof when closed, we provide grooves 23, Figs. 1, 10,'and 11, in the strips 4, having cemented or otherwise secured therein strips of felt or rubber 24, and we provide on the outer sides of the swinging frame strips with tongues 26, which when the window is closed enter the grooves 23 in the strips '4 and effect a tight joint. In a like manner below the pinions on the outer vertical sides of the swinging frame 8 are two other strips 30, which are similarly tongued and grooved, as seen at 31, Fig. 10, and which fit into grooves in the strips 3, as indicated by the dotted lines in Figs. 1 and 14, either one of said grooves having in it a felt or rubber packing, as in the case of the upper strips.

As shown in Figs. 9 and 10, the upper strips 25 on the swinging frame 8 project outwardly (toward the sides of the main frame 1) farthcr than do the lower strips 30. This construction permits the strips 25 to abutagainst the upper strips 4 on the main frame and their tongues 26 to enter the grooves 23 in said strips 4, Figs. 1 and 10, while it permits the lower strips'3O on the swinging frame to clear the strips when the window is swung open. When the window is closed, these lower strips 30 abut against the lower stopstrips 3 on the main frame to form tight joints below the middle of the window, as before described and as indicated in Fig. 1, and to permit this cooperation of the strips 25 with the strips 4 above the middle of the window the strips 3 are made thicker or project farther into the window-opening from the sides of the main frame 1 than are the upper stop-strips 4, as heretofore described. Upon referring to Fig. 1 it will be seen that when the upper end of the swinging frame 8 is swung outward or to the right to close the window its upper strips 25 will abut against the upper stop-strips 4 and their tongues engage the grooves 23 in the latter strips and form tight joint against the packing 24, while the lower strips 30 upon the swinging frame will likewise'abut against the lower stop-strips 3 and form tight joints against the packing therein.

It will be readily seen from the foregoing construction that the window can be swung inward horizontally and reverse, so 'as to bring the outer side of the glass upon the interior of the room, where it may be readily cleansed, also that ,thc sashes carrying the glass balance each other and the raising or lowering of one produces the opposite movement upon the other, so that they can be adjusted to any position desired, and to effect a.

tight meeting of the joints we provide projecting beveled pieces 32 on the inner sides of the middle rails of the glass-carrying sashes, as seen clearly in Fig. 12, which meet and become interlocked when both sashes are closed, as will be readily understood.

To effect tight joints at the top and bottom sides of the swinging frame with the main frame, we provide on the upper side of the swinging frame a plain strip 34 and a tongued strip 35, which interlocks with a similar tongued strip 36, as seen in Fig. 12, and a suitable packing of rubber or felt is interposed in the groove where the tongues interlock. In a similar manner we provide a rib 37 on the lower side of the main frame and also a tongued rib 40, which interlocks with a similar tongued rib or strip 41 upon the under side of the swinging frame, with a suit able packing of felt or rubber interposed in the groove where the tongues interlock.

As a further carrying forward of our invention, where it is desired to employ screens and blinds or shutters for the window the same may be simply applied by slightly cxtending the side plates8 on each side, as seen L I on opposite sides ofthe pivotsprojecting unin Fig. 11 and also Fig. 2', and securingto Said eXtensions strips 42. and 43 to'form-sl-iding grooves open 'at'their tops but closed at I their bottoms'and into-whichthe screens 44 and shutters or blinds 45 maybe slipped from the top and'wi'll be held *byfrictionalcontact and befree tobe raised or lowered, as desired,

or entirely removed and replaced when re- 'compos'ed of' two cooperatingparts, one part of said hinge being; providedwith a socket I andwithtwostop-strips projecting in opposite directions from said socket',- one 'of said strips being constructed to project farther,

into the window-opening than does the other of said strips and the second part of-said hinge being provided with a trunnion adaptedto "said f socketand with two stop-strips, one of which project's farther into the window-opening than does the other, said stop-strips being adapted to cooperate with thestop-strips, on the opposite part of the hinge to form a tight jointwhen closed, the least projecting stop of onepart'of said hinge being arranged to-overfride the least projecting stop-strip of the op- I posite part, substantially as described. a r .3. A stationary frame, in "combination with a swinging ,frame carrying sliding" sashes, racks'on the sashes, trunnions on which the swinging frame is pivoted, and pinions on the trunnions engaging with the racks on the sashes, substantially as described.

"hIn window constructiomthe combination of aima'in frame, a'secondary swingingframe mounted therein, said swingingframe carry ingthe;verticallysliding balanced glass-carrying'sashes and a screen movably-mountedon "the outer side'lofsaid swinging frame,

whereby said swinging frame with said outer screen can" be reversed to permit the moving of the screen and the cleansing'of the' outer surfacesof the glass-sashes from theinterior" of the room, substantiallyas described.

5. In window construction, the combination of a main-frame, a secondary swinging frame mounted therein, said swinging frame carrying two vertically sliding glasscarrying sashesbalanced by meansof a-rack-and-pin-- ion mechanism, a screen. or'screens' slidably mounted 1n grooves onthe outerside of the swinging frame, whereby said swinging frame with said outer screen or screens can be reversed to permit the mov ng of I the screen and the cleansing of the outer surfaces of the glasscarrying sashes from the interior '0 room, substantially asdescribed. p j

. 6, In window construction, the combination of a mainframe, asecondary swinging frame mounted therein and closingagainst said main therewith, said swingingframe carrying two vertically-sliding glass-carrying sashes balanced by means of a rack-and-pinion mechanism between them, a screen or screens slidably mounted ;in grooves on the-outer side of the swinging frame, whereby said swinginglframe carrying saidscreen or screenscan be reversed to permit the mov1ng of the screen or screens and thecleansingof the outer surfaces of the glass-carryingsashes from the, interior O he room, substantially as described 7 In combination with a fixed frame, a sash.-

carrying frame, horizontally-disposed pivotal, connections bet-ween the fixed frame'and the ;sash-carrying.frame-about which the sashcarrying. frame maybe swung and reversed in position, sashes carried'by the pivoted frame 7 andconstantbalancing' means for said sashes maintaining control of the said sashesiin all positionsyof the sash-carrying frame connections between theifixed frame and the I sash-carrying frame aboutwhich the sash-car ry1ng;.frame maybe r'swung and reversed in position, sashes carriedby'the pivoted frame.

the

. 7 frame by a tongued, grooved and packed joint. a

about its pivots, substantially as described' 8-. In combination with'a fixed frame, a sashcarrying frame,horizontally-disposed' pivotal v Y and constant balancing means for said sashes maintaining control of the said sashes in all positions of the sash-carrying frame about its pivots, said constant balancing means consisting of racks on the sashesand a pinion onthe swinging frame meshing with the racks, sub:

' stantially as described.

9. In window construction, the combination 5 of a mainstationary frame'whose inner ver- 7 I tlcalsldes are provided-with pro ecting stop-i engage the aforesaid'stop-stri'ps onthe main [frame and effect a. tight joint when the swingstrips, asocket open on its upper side projecting from the innersides of the'main frame at its-middle, and a 1 sw nging glasscarrying sash frame having trunnions projecting from. itsou-ter vertical sides toengage the aforesaid sockets,;and {also provldedwith stop-strips to ing frame isclosed, substantiallyas described. :..l0. In=window construction, the combina- 1 tion'of a main stationary frame whoseinner 5 vertical s des. are ..pI.OVld6d with pro ecting tongue-andegrooved stop-strips, a socket open on'its upper side projecting from the inner sides of themain frame at its middle, a swinging glass-carrying-sash frame havingtrun- 'nions projecting, from its outer vertical sides to engage the aforesaid sockets, and also provided with tongue-and-grooved stop-strips to engage the aforesaid stop-strips on the main jfrarne, and packing interposed between said stop-strips to effect a tight joint when the tion of a main stationary frame whose inner vertical sides and top and bottom are provided .with projecting stop-strips, a socket open on its upper side projecting from the inner sides of the main frame at its middle, a swinging glass-carrying-sash frame having trunnions projecting from its outer vertical sides to engage the aforesaid sockets, and also provided with stop-strips to engage the aforesaid stopstrips on the main frame and effect a tight joint when the swinging frame is closed, substantially as described.

12. In window construction, the combination of a main stationary frame whose inner vertical and top and bottom sides are provided with projecting tongue-and-groovcd stopstrips, a socket open on its upper side projecting from the inner sides of the main frame at its middle, a swinging glass-carrying-sash frame having trunnions projecting from its outer vertical sides to engage the aforesaid sockets, and also provided with tongue-andgrooved stop-strips to engage the aforesaid stop-strips on the main frame, and packing interposed between said stop-strips to effect a tight joint when the swinging frame is closed, substantially as described.

13. In window construction, the combination of a stationary main frame, an interior swinging sash-carrying frame, sockets on the inner vertical sides of the main frame, trunnions projecting from the outer vertical sides of the swinging frame to engage said sockets, hubs extending from said trunnions through the walls of the swinging frame into cut-out portions of the parting-strips of the sliding sashes, pinions journaled on said hubs, and racks on the outer extensions of the glasssashes engaging opposite sides of said pinions, substantially as described.

14. In window construction, a fixed main frame secured in the window-opening and provided at opposite sides thereof and midway of its length with sockets projecting into the window-opening and having open upper sides, and provided also with two stop-strips projecting vertically in opposite directions from each socket, said stop-strips on each side being located out of vertical line with each other, and said socket and one of said stop-strips on each side projecting'farther from the main frame into the window-opening than does the other of said stop strips, in combination with a swinging sash-carrying frame provided upon its opposite sides with trunnions resting in the sockets on the main frame and provided also with two stop-strips extending vertically in opposite directions from the trunnion on each side, said stop-strips on each side being located out of vertical line with each other and one projecting outward from the swinging frame farther than the other, said stop-strips upon the swinging frame being adapted to abut against and cooperate with the stop-strips upon the main frame to form tight joints.

15. The herein -described window-hinge, composed of two cooperating parts, one part of said hinge being provided with a socket having an open top and with two stop-strips projecting in opposite directions from said socket, said socket and one of said strips being constructed to project farther into the window-opening than does the other of said strips, and the second part of said hinge being provided with a trunnion adapted to rest in said socket and with two stop-strips of differing thickness or projection, and adapted to cooperate with the stop-strips on the opposite sides of the hinge to form a tight joint.

16. In window construction of the character described, the combination of the main frame 1, the swinging frame 8, stop-strips 3 and 4 secured to the inner vertical walls of the main frame out of line with each other, sockets 5 with open upper portions forming a continuation of the upper ends of the strips 3 and with bent-in portions 6 to unite with the lower ends of the strips 4 to form offsets 7, trunnions .20 projecting from the outer vertical sides of the swinging frame and adapted to enter and he engaged by the hook-shaped sockets 5, and stop-strips 25 and 30 on the outer sides of the swinging frame adapted to engage and form tight joints with the stop-strips 3 and 4 when the swinging frame is closed, substantially as described.

17. In window construction, the combination of a stationary main frame, an interiorlyfitted and horizontallyswinging glass-sashcarrying frame. guides on said swinging frame on both sides of the glass-sash guides, and shutter and screen frames adapted to be fitted to said first-named guides, substantially as dcscribed.

18. In window construetion, the combination of a stationary main frame, an interiorlyfitted and horizontallyswinging gla.ss-sashcarrying frame, guides on said swingin frame on the outer side of the glass-sash guides, and supplemental frames adapted to be fitted to said first-named guides, substantially as described.

19. In window construction, the combination of a stationary main frame, an interiorlyfitted and horizontally-swinging glass-sashcarrying frame guides on said swinging frame on the inner side of the glass-sash guides, and supplemental frames adapted to be fitted to said first-named guides, substantially as described.

BERNARD J. HAUSFELD. EDMUND H. LUNKEN. Witnesses:

EDWARD PECK, IVM. J. PEGK.

lOS 

